我正在看这个例子
https://www.analyticsvidhya.com/blog/2019/04/predicting-movie-genres-nlp-multi-label-classification/
恰好在使用TF-IDF的那一行
# create TF-IDF features
xtrain_tfidf = tfidf_vectorizer.fit_transform(xtrain)
xval_tfidf = tfidf_vectorizer.transform(xval)
[当我尝试查看xtrain_tfidf的结果时出现此错误
xtrain_tfidf
Out[69]:
<33434x10000 sparse matrix of type '<class 'numpy.float64'>'
with 3494870 stored elements in Compressed Sparse Row format>
我想看看xtrain_tfidf有什么?
如何查看?
如果您要打印所有内容,那么速度慢和可能的内存不足,请尝试
import numpy as np
with np.printoptions(threshold=np.inf):
print(xtrain_tfidf.toarray())
此外,您也可以用print(xtrain_tfidf)
打印稀疏值。